Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:26:33 2012 Optimize a model with 35342 rows, 35910 columns and 140992 nonzeros Presolve removed 2 rows and 2 columns Presolve time: 0.81s Presolved: 35529 rows, 35908 columns, 176339 nonzeros Variable types: 0 continuous, 35908 integer (35908 binary) Found heuristic solution: objective 189.0000000 Root relaxation: objective 2.000000e+00, 22764 iterations, 1.86 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 2.00000 0 278 189.00000 2.00000 98.9% - 5s H 0 0 187.0000000 2.00000 98.9% - 5s H 0 0 3.0000000 2.00000 33.3% - 5s 0 0 infeasible 0 3.00000 2.00000 33.3% - 5s Cutting planes: Gomory: 1 Zero half: 34 Explored 0 nodes (68719 simplex iterations) in 5.55 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%